Utility knife



FIG. 1 is a left side elevational view of a first embodiment of my new utility knife design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view thereof.

FIG. 7 is a left side elevational view of a second embodiment of my new utility knife design;

FIG. 8 is a top plan view thereof;

FIG. 9 is a right side elevational view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a front elevational view thereof; and,

FIG. 12 is a rear elevational view thereof.

The broken lines in the figures of the utility knife are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for the utility knife, as shown and described. 